"Omg! Insider's" Thea Andrews caught up with the reality star Wednesday morning at The Hollywood Reporter’s 22nd annual Women in Entertainment breakfast presented by Lifetime, where — proving that she's her own harshest critic — she revealed that seeing that picture only made her want to work harder in the gym.

"I don't know if I really love that shot," Kim confessed.

"You worked really hard for it though, and you're being recognized for it," Thea replied.

"I'm so critical of myself, so I look at it [and] I'm like, 'Alright I have to get back in the gym, don't slack for the holidays,' after seeing that," noted the 33-year-old beauty. "And I'm like, 'I have a couple more [pounds] to go.'"

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Kim Kardashian on Us Weekly (Us Weekly)

Kim also opened up about how focused she was on whipping her physique back into shape after having given birth to daughter Nori in June. "It just feels good for me that I really was never a dieter and I could never stick to anything. I had more will power, so I think because of so much media scrutiny it really motivated me actually … to want to really stick and commit to something," she continued.

"And after like six weeks for the doctor to say you can start working out and dieting, I really stuck with this. So I was really proud of the accomplishment that I stuck to a diet that before I was never able to do."

The diet that Kim's talking about is the low-carb Atkins diet, which combined with exercise, certainly seems to have worked well for her.

"Kim did the Atkins diet which is heavy with lean protein and healthy fats like nuts and avocados," Us Weekly senior editor Bradley Jacobs tells "omg! Insider."

"Kim was very disciplined about her exercise. She would do 100 squats every morning and never missed a day. She also used Kanye's trainer when she was on the road."

Kim's fiancé Kanye West was also at Wednesday morning's event. While his leading lady walked the red carpet, the 36-year-old rapper waited patiently in the wings and seemed very friendly and low key according to omg!'s reporter on the scene. He happily posed for pictures with guests who asked for them and had no security around him.

Kim's sister Khloé, 29, also skipped the arrivals line, but was spotted being greeted by Kanye with a big hug. She was also overheard telling her brother-in-law to be about the Jay Z concert she attended last night. Demi Lovato, who made headlines of her own Wednesday with new revelations about her past drug use, then joined the pair, mostly talking to Khloé.

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Kris Jenner and Kim Kardashian / Khloe Kardashian (Getty Images)

When Kim finally came over to her crew, she seemed to be in a great mood saying hi and hugging everyone. The new mom was seen showed Demi photos of little Nori on her phone, while "The X Factor" judge "oohed" and "ahhed" over the baby pics.

Eventually, Kris Jenner, 58, sauntered over to the group and linked arms with Kanye, taking a selfie with Kanye, Kim, and Khloé.

The Hollywood Reporter's 22nd annual Women in Entertainment breakfast presented by Lifetime recognized this year's 100 most powerful women in the entertainment industry. Oprah Winfrey received the 2013 Sherry Lansing Leadership Award presented to her by Maria Shriver. The event also served for The Hollywood Reporter to enter the fifth year of its unique Women in Entertainment Mentorship Program, a joint venture with the nonprofit Big Brothers Big Sisters in which 15 inner-city schoolgirls are selected and pairs them with top-level women in the entertainment business.